1099227666 has 16 divisors (see below), whose sum is σ = 2199141504. Its totient is φ = 366294864.

The previous prime is 1099227617. The next prime is 1099227677. The reversal of 1099227666 is 6667229901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6445 + ... + 47328.

It is an arithmetic number, because the mean of its divisors is an integer number (137446344).

Almost surely, 2^1099227666 is an apocalyptic number.

1099227666 is an abundant number, since it is smaller than the sum of its proper divisors (1099913838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1099227666 is a wasteful number, since it uses less digits than its factorization.

1099227666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57185.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 1099227666 is about 33154.6024859295. The cubic root of 1099227666 is about 1032.0384634273.

The spelling of 1099227666 in words is "one billion, ninety-nine million, two hundred twenty-seven thousand, six hundred sixty-six".